Using rapid application development to improve the usability of a preservice teacher technology course |
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| Authors: | Linda Lohr Manisha Javeri Chris Mahoney Jim Gall Kathy Li Dawn Strongin |
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| Institution: | (1) University of Northern Colorado, Colorado, USA |
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| Abstract: | The aim of this research was to examine the use of a rapid application development (RAD) approach in improving the usability
(effectiveness, efficiency, and appeal) of instructional materials for preservice teachers. The RAD approach used was the
analysis, synthesis, evaluation and change (ASEC) model (Reigeluth & Nelson, 1997). After examining existing materials, 11
units of instruction were prototyped, tested, modified, and retested with the requisite changes being implemented over the
course of three semesters. Qualitative and quantitative data were collected from 570 students, 7 instructional designers,
and 4 lab assistants. Results of the study showed significant increases in usability scores between the second and third semester.
Both positive and negative experiences in using a rapid development model are discussed. |
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